Home / 25,621.20-38,434.20-10,829.88

Finding the Fourth Proportional to 25,621.20, 38,434.20 and 10,829.88

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Solution

The fourth proportional to 25,621.20, 38,434.20 and 10,829.88 is: 16,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.20 : 38,434.20 = 10,829.88 : x
  2. Step 2: Convert to fraction form
    25,621.20/38,434.20 = 10,829.88/x
  3. Step 3: Cross multiply
    25,621.20x = 38,434.20 × 10,829.88
  4. Step 4: Simplify right side
    25,621.20x = 416,237,773.90
  5. Step 5: Solve for x
    x = 416,237,773.90/25,621.20
  6. Step 6: Final answer
    x = 16,245.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.